Fabrication of Hybrid Solar Cells by Spray Coating Technique

A. Vasudevan, S. Jung, and T. Ji (USA)


Hybrid solar cells, spray coating, organic polymers, ZnO nanorods


Hybrid solar cell was fabricated from ZnO nanorods for electron transport, P3HT and PCBM mixture as the active layer, PEDOT:PSS for electron blocking and gold as bottom electrode on ITO coated glass substrate which serves as window layer as well as top electrode. ZnO nanorods were prepared using hydrolysis method while the active layer P3HT (poly 3-hexylthiophene) and PCBM ((6, 6)-phenyl C61 butyric acid methyl ester) and the electron blocking layer PEDOT:PSS (Poly ethylenedioxythiophene doped with poly styrene sulphonic acid) were coated using spray method. Cells were fabricated for different substrate temperature during spraying and the performances of these cells were compared from I-V curve measured under standard conditions.

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